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##
## Compute the location and size of where this firmware image
## (linuxBIOS plus bootloader) will live in the boot rom chip.
##
if USE_FALLBACK_IMAGE
default ROM_SECTION_SIZE = FALLBACK_SIZE
default ROM_SECTION_OFFSET = ( ROM_SIZE - FALLBACK_SIZE )
else
default ROM_SECTION_SIZE = ( ROM_SIZE - FALLBACK_SIZE )
default ROM_SECTION_OFFSET = 0
end
##
## Compute the start location and size size of
## The linuxBIOS bootloader.
##
default CONFIG_ROM_STREAM_START = (0xffffffff - ROM_SIZE + ROM_SECTION_OFFSET + 1)
default PAYLOAD_SIZE = ( ROM_SECTION_SIZE - ROM_IMAGE_SIZE )
##
## Compute where this copy of linuxBIOS will start in the boot rom
##
default _ROMBASE = ( CONFIG_ROM_STREAM_START + PAYLOAD_SIZE )
##
## Compute a range of ROM that can cached to speed up linuxBIOS,
## execution speed.
##
## XIP_ROM_SIZE must be a power of 2.
## XIP_ROM_BASE must be a multiple of XIP_ROM_SIZE
##
default XIP_ROM_SIZE=65536
default XIP_ROM_BASE = ( _ROMBASE + ROM_IMAGE_SIZE - XIP_ROM_SIZE )
##
## Set all of the defaults for an x86 architecture
##
arch i386 end
##
## Build the objects we have code for in this directory.
##
driver mainboard.o
if HAVE_PIRQ_TABLE object irq_tables.o end
#object reset.o
##
## Romcc output
##
makerule ./failover.E
depends "$(MAINBOARD)/failover.c ./romcc"
action "./romcc -E -O --label-prefix=failover -I$(TOP)/src -I. $(CPPFLAGS) $(MAINBOARD)/failover.c -o $@"
end
makerule ./failover.inc
depends "$(MAINBOARD)/failover.c ./romcc"
action "./romcc -O --label-prefix=failover -I$(TOP)/src -I. $(CPPFLAGS) $(MAINBOARD)/failover.c -o $@"
end
makerule ./auto.E
depends "$(MAINBOARD)/auto.c option_table.h ./romcc"
action "./romcc -E -mcpu=c3 -O -I$(TOP)/src -I. $(CPPFLAGS) $(MAINBOARD)/auto.c -o $@"
end
makerule ./auto.inc
depends "$(MAINBOARD)/auto.c option_table.h ./romcc"
action "./romcc -mcpu=c3 -O -I$(TOP)/src -I. $(CPPFLAGS) $(MAINBOARD)/auto.c -o $@"
end
##
## Build our 16 bit and 32 bit linuxBIOS entry code
##
mainboardinit cpu/x86/16bit/entry16.inc
mainboardinit cpu/x86/32bit/entry32.inc
ldscript /cpu/x86/16bit/entry16.lds
ldscript /cpu/x86/32bit/entry32.lds
##
## Build our reset vector (This is where linuxBIOS is entered)
##
if USE_FALLBACK_IMAGE
mainboardinit cpu/x86/16bit/reset16.inc
ldscript /cpu/x86/16bit/reset16.lds
else
mainboardinit cpu/x86/32bit/reset32.inc
ldscript /cpu/x86/32bit/reset32.lds
end
### Should this be in the northbridge code?
mainboardinit arch/i386/lib/cpu_reset.inc
##
## Include an id string (For safe flashing)
##
mainboardinit arch/i386/lib/id.inc
ldscript /arch/i386/lib/id.lds
###
### This is the early phase of linuxBIOS startup
### Things are delicate and we test to see if we should
### failover to another image.
###
if USE_FALLBACK_IMAGE
ldscript /arch/i386/lib/failover.lds
mainboardinit ./failover.inc
end
###
### O.k. We aren't just an intermediary anymore!
###
##
## Setup RAM
##
mainboardinit cpu/x86/fpu/enable_fpu.inc
mainboardinit cpu/x86/mmx/enable_mmx.inc
mainboardinit ./auto.inc
mainboardinit cpu/x86/mmx/disable_mmx.inc
##
## Include the secondary Configuration files
##
dir /pc80
config chip.h
chip northbridge/via/vt8601
device pci_domain 0 on
device pci 0.0 on end # Northbridge
# device pci 0.1 on # AGP bridge
# chip drivers/pci/onboard # Integrated VGA
# device pci 0.0 on end
# register "rom_adress" = "0xfff80000"
# end
# end
chip southbridge/via/vt8231
register "enable_native_ide" = "0"
register "enable_com_ports" = "1"
register "enable_keyboard" = "0"
device pci 11.0 on # Southbrdge
chip superio/winbond/w83627hf
device pnp 2e.0 on # Floppy
io 0x60 = 0x3f0
irq 0x70 = 6
drq 0x74 = 2
end
device pnp 2e.1 off # Parallel Port
io 0x60 = 0x378
irq 0x70 = 7
end
device pnp 2e.2 on # Com1
io 0x60 = 0x3f8
irq 0x70 = 4
end
device pnp 2e.3 off # Com2
io 0x60 = 0x2f8
irq 0x70 = 3
end
device pnp 2e.5 on # Keyboard
io 0x60 = 0x60
io 0x62 = 0x64
irq 0x70 = 1
irq 0x72 = 12
end
register "com1" = "{TTYS0_BAUD}"
end
device pnp 2e.6 off end # CIR
device pnp 2e.7 off end # GAME_MIDI_GIPO1
device pnp 2e.8 off end # GPIO2
device pnp 2e.9 off end # GPIO3
device pnp 2e.a off end # ACPI
device pnp 2e.b on # HW Monitor
io 0x60 = 0x290
end
end
device pci 11.1 on end # Ide
device pci 11.2 off end # Usb port 0-1
device pci 11.3 off end # Usb port 2-3
device pci 11.4 off end # ACPI
device pci 11.5 off end # AC97 Audio
device pci 11.6 on end # AC97 Modem
device pci 12.0 on end # Ethernet
end
end
chip cpu/via/model_centaur
end
end
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